TOML Formatter
Formatters & BeautifiersFormat and validate TOML configuration files. Free, private — all processing in your browser.
How to use
- 1. Enter or paste your data in the input area above
- 2. Adjust settings or options as needed
- 3. Click the action button or see real-time results
- 4. Copy the result with the copy button
All processing happens in your browser. Nothing is sent to any server.
About this tool
Format and validate TOML configuration files. TOML (Tom's Obvious Minimal Language) is used in Cargo.toml (Rust), pyproject.toml (Python), and other modern configuration systems. The formatter normalizes whitespace, validates syntax, and ensures proper section headers and key-value formatting.
FAQ
▶Is the TOML Formatter free to use?
Yes, completely free. No signup, no premium tiers, no hidden costs.
▶Is my data safe when using the TOML Formatter?
All processing happens in your browser. Your data never leaves your device.
▶Does the TOML Formatter work on mobile?
Yes, fully responsive. Works on smartphones, tablets, and desktops.
▶Do I need to install anything?
No. It runs entirely in your web browser. Just open the page and use it.
Related tools
All Formatters & BeautifiersJSON Formatter
Format, validate, and beautify JSON data instantly
SQL Formatter
Format and beautify SQL queries for better readability
HTML Formatter
Beautify and format HTML code with proper indentation
CSS Formatter
Format and beautify CSS code with proper indentation
XML Formatter
Format and validate XML documents with syntax highlighting
JavaScript Formatter
Format and beautify JavaScript code instantly
Learn more
Explore more tools
200+ free tools that run in your browser.
Browse all tools →